Sensirion SCD4x Carbon Dioxide (CO2) Gadget

Sensirion SCD4x Carbon Dioxide (CO₂) Gadget is a simple reference design circuit board that demonstrates the performance and ease of use of Sensirion’s SCD4x CO₂ sensors. The SCD4x CO₂ Gadget features an RGB LED, with the traffic light color scheme, indicates the indoor air quality based on the measured CO₂ concentration. It also incorporates a BLUETOOTH® Low Energy module to communicate with BLUETOOTH® Low Energy (BLE) capable devices like smartphones. Power is supplied via a standard USB interface. The CO₂ Gadget application runs with Android 4.4 or later and iOS 9.0 or later, respectively.